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8142952: Unified Logging framework does not allow multiple -Xlog: arguments

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Reviewed-by: brutisso, sla
This commit is contained in:
Marcus Larsson 2015-11-27 12:37:38 +01:00
parent eb2e04e757
commit f6b238ccda
14 changed files with 246 additions and 42 deletions
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16
hotspot/src/share/vm/logging/logOutput.hpp
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@ -25,18 +25,24 @@
#define SHARE_VM_LOGGING_LOGOUTPUT_HPP
#include "logging/logDecorators.hpp"
#include "logging/logLevel.hpp"
#include "memory/allocation.hpp"
#include "utilities/globalDefinitions.hpp"
class LogDecorations;
class LogTagSet;
// The base class/interface for log outputs.
// Keeps track of the latest configuration string,
// and its selected decorators.
class LogOutput : public CHeapObj<mtLogging> {
private:
static const size_t InitialConfigBufferSize = 256;
char* _config_string;
size_t _config_string_buffer_size;
protected:
LogDecorators _decorators;
char* _config_string;
public:
static LogOutput* const Stdout;
@ -54,10 +60,16 @@ class LogOutput : public CHeapObj<mtLogging> {
return _config_string;
}
LogOutput() : _config_string(NULL) {
LogOutput() : _config_string(NULL), _config_string_buffer_size(0) {
}
virtual ~LogOutput();
// Clears any previous config description in preparation of reconfiguration.
void clear_config_string();
// Adds the tagset on the given level to the config description (e.g. "tag1+tag2=level").
void add_to_config_string(const LogTagSet* ts, LogLevelType level);
// Replaces the current config description with the given string.
void set_config_string(const char* string);
virtual const char* name() const = 0;